Bound States of Monopoles and Dyons with Spin-1/2 Particles in SU(2) Gauge Theory Under Moduli Space Approximation

被引：0
作者：
Joshi, S. C. [1 ]
Swarup, R. [2 ]
机构：
[1] Ahlcon Int Sch, Dept Phys, Delhi 91, India
[2] DS Coll, Dept Phys, Aligarh, UP, India
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2010年 / 49卷 / 03期
关键词：
Dyon; Dyonium; Degenerate states; Spin-orbit interaction; Perturbation; Moduli space; Gauge transformation; Relativistic approximation; Four-potential; Orbital angular momentum operator; QUANTUM FIELD-THEORY; YANG-MILLS THEORY; BPS MONOPOLES; MAGNETIC CHARGES; MODEL; QCD; CONFINEMENT; CLUSTERS; SPECTRUM; DUALITY;
D O I：
10.1007/s10773-009-0238-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Energy spectrum and degeneracy associated with bound states of monopoles and dyons in non-Abelian gauge theory has been investigated and it is shown that energy levels expand due to the presence of additional degeneracies. Splitting of energy level of dyonium in presence of external magnetic and electric field has also been analyzed confirming the presence of additional degeneracy levels of the system. In addition, the study of behaviour of a fermion moving in the field of non-Abelian dyon in moduli space under SU(2) gauge potential has been undertaken and energy eigen values for the system are carried out. Detailed analysis of relativistic correction in fermion-dyon system in moduli space is presented and angular momentum operators of the system are derived, which demonstrates that besides the contribution of Higgs field, the interaction of spin and orbital angular momentum of moving fermion also contributes to the energy operator.
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收藏
页码：575 / 586
页数：12
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